Monomer for polymer gel, polymer gel and preparation therefor
US-12534430-B2 · Jan 27, 2026 · US
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Halogenosulfates, i.e. monoesters of halogenosulfuric acids
Halogenosulfates, i.e. monoesters of halogenosulfuric acids · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C305/26 |
| Official title | Halogenosulfates, i.e. monoesters of halogenosulfuric acids |
| Display label | Halogenosulfates, i.e. monoesters of halogenosulfuric acids |
| Total patents | 23 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Bioreactive compounds and methods of use thereof
US-2025283138-A1 · Sep 11, 2025 · US
Sulfur (VI) fluoride compounds and methods for the preparation thereof
US-12390424-B2 · Aug 19, 2025 · US
Bioreactive proteins containing unnatural amino acids
US-2024262791-A1 · Aug 8, 2024 · US
Monomer for polymer gel, polymer gel and preparation therefor
US-2023365496-A1 · Nov 16, 2023 · US
Arylfluorosulfate compounds and methods
US-11779548-B2 · Oct 10, 2023 · US
Sulfur (vi) fluoride compounds and methods for the preparation thereof
US-2022313624-A1 · Oct 6, 2022 · US
Methods of making a polyfluorinated allyl ether and compounds relating to the methods
US-11292763-B2 · Apr 5, 2022 · US
Sulfur (vi) fluoride compounds and methods for the preparation thereof
US-2022000799-A1 · Jan 6, 2022 · US
Sulfur (VI) fluoride compounds and methods for the preparation thereof
US-11141385-B2 · Oct 12, 2021 · US
Methods of making a polyfluorinated allyl ether and compounds relating to the methods
US-2021276946-A1 · Sep 9, 2021 · US
Sulfur (vi) fluoride compounds and methods for the preparation thereof
US-2020397719-A1 · Dec 24, 2020 · US
Reagents for fluorosulfating alcohols or amines
US-10836717-B2 · Nov 17, 2020 · US
Sulfur(VI) fluoride compounds and methods for the preparation thereof
US-10765645-B2 · Sep 8, 2020 · US
Arylfluorosulfate compounds and methods
US-2020268683-A1 · Aug 27, 2020 · US
Arylfluorosulfate compounds and methods
US-2019167604-A1 · Jun 6, 2019 · US
Reagents for fluorosulfating alcohols or amines
US-2019047950-A1 · Feb 14, 2019 · US
Sulfur(vi) fluoride compounds and methods for the preparation thereof
US-2019029972-A1 · Jan 31, 2019 · US
Sulfur(VI) fluoride compounds and methods for the preparation thereof
US-10117840-B2 · Nov 6, 2018 · US
Method for coupling an aromatic compound to an alkyne
US-2018237363-A1 · Aug 23, 2018 · US